2,803
edits
Changes
Jump to navigation
Jump to search
Line 19:
Line 19: − + − + Line 143:
Line 143: − +
Quick-look lithology from logs (view source)
Revision as of 19:57, 31 March 2014
, 19:57, 31 March 2014no edit summary
* [[Basic open hole tools#Gamma ray|Gamma ray]]
* [[Basic open hole tools#Gamma ray|Gamma ray]]
* [[Basic open hole tools#Spontaneous potential|Spontaneous potential (SP)]]
* [[Basic open hole tools#Spontaneous potential|Spontaneous potential (SP)]]
* Caliper
* [[Basic open hole tools#Calipers|Caliper]]
* Formation density
* Formation density
* Photoelectric absorption
* Photoelectric absorption
* Neutron [[porosity]]
* [[Basic open hole tools#Compensated neutron|Neutron]] [[porosity]]
(For more details on these logs, see [[Basic open hole tools]]. Also, [[Difficult lithologies]] covers logging tool response in sedimentary minerals.)
(For more details on these logs, see [[Basic open hole tools]]. Also, [[Difficult lithologies]] covers logging tool response in sedimentary minerals.)
* ''Hydrocarbons''. The SP is generated in water. High hydrocarbon saturation reduces the SP, making sands appear more shaly.
* ''Hydrocarbons''. The SP is generated in water. High hydrocarbon saturation reduces the SP, making sands appear more shaly.
==Caliper logs==
==[[Basic open hole tools#Calipers|Caliper logs]]==
===Property measured===
===Property measured===